.nav{
    width: 100%;
    height: 1.1rem;
    position: fixed;
    left: 0;
    bottom: 0;
    background: #fff;
    z-index: 999;
    font-size: .28rem;
    &>div{
      height: 100%;
      display: flex;
      justify-content: space-around;
       align-items: center;
      a{
          display: flex;
          flex: 1;
          text-align: center;
          text-decoration: none;
          color: #000;
          flex-direction: column;
          align-items: center;
          .icon{
            margin-bottom: 0.1rem;
          }
      }
    }
}
.con{
  width: 100%;
  font-size: .28rem;
  height: calc(100% - 1.1rem);
   overflow-y: scroll;
}
